When there is an uneven damage to the inner ear and hearing is not entirely lost, you may have nerve deafness. Loss of sensitivity to various tones, particularly high-pitched ones, may be experienced if you suffer from thus type of hearing loss. Nerve deafness makes the normal hearing zone a lot narrowed. This is usually manifested by the difficulty of patients to distinguish the consonant sounds with high tones. The patient with nerve deafness has a hard time in hearing words if there is a noise I the background.